Questions by Floris Velleman

Questions by Floris Velleman

Which of the following is a common sign that a chemical change has occurred?

asked Oct 16, 2021

1 answer

1 vote

200k views

A mixture of 0.439 M H 2 , 0.317 M I 2 , and 0.877 M HI is enclosed in a vessel and heated to 430 °C. H 2 ( g ) + I 2 ( g ) − ⇀ ↽ − 2 HI ( g ) K c = 54.3 at 430 ∘ C Calculate the equilibrium concentrations

asked Sep 28, 2021

1 answer

0 votes

194k views

In the following net ionic equation, identify each reactant as either a Bronsted-Lowry acid or a Bronsted-Lowry base. HF-(aq) + H2O(l) rightarrow F-(aq) + H3O(aq) B-L_____ B-L_____ The formula of the reactant

asked Apr 12, 2021

1 answer

4 votes

75.7k views

Solve for r using literal equations methods

asked Mar 11, 2021

1 answer

1 vote

29.1k views

How many U.S Soldiers died in world war 1?

asked Mar 7, 2021

2 answers

5 votes

76.9k views

6. The oxidation number of Mn in KMnO4 is A) +8. B) +7. C) +5. D) -7. E) -8.

asked Dec 3, 2020

2 answers

4 votes

123k views

Since no one knows what type of rock my rock was here's some nice juicy points

asked Oct 15, 2020

2 answers

3 votes

96.9k views

14. Colin is making a braise for a catered lunch. How should Colin prepare the vegetables for the braise? A. Cut into large pieces B. Puréed C. Cooked separately beforehand

asked May 15, 2020

1 answer

4 votes

142k views

What is the product in simplest form.

asked Jan 18, 2020

1 answer

1 vote

117k views

The government of Venezuela has used its _____ to improve the lives of Venezuelans in poverty. coffee exports renewable resources livestock oil wealth

asked Jul 26, 2019

2 answers

2 votes

197k views

What is the focal length of a lens?

asked Apr 21, 2019

1 answer

0 votes

101k views

Which of the following is true concerning changes of state? All changes of state take place at the same temperature. State changes happen at different points for different substances The freezing point

asked Nov 25, 2018

1 answer

0 votes

231k views

What is the 17th amendment??

asked Jul 3, 2018

1 answer

3 votes

165k views

Which of the following are true of the Spanish exploration and conquests in America? They were looking for wealth. They often searched for legends. They made many political allies. They sought a new route

asked Jan 17, 2018

1 answer

3 votes

3.1k views

$4.30 makeup; 405 discount; 6% tax

asked Jun 9, 2017

1 answer

3 votes

114k views

Upward arching rock layer

asked Mar 12, 2017

2 answers

4 votes

220k views

Which process of the carbon cycle is responsible for the release of carbon at the power plant, as shown by the arrow? combustion. photosynthesis. digestion. decomposition.

asked Feb 26, 2017

2 answers

3 votes

83.6k views

What is the main idea of this paragraph? Information is stored on big central computers called servers. Using telephone lines, many computers link to these servers through networks. A wealth of information

asked Feb 17, 2017

2 answers

5 votes

80.3k views

Divide and round to the nearest tenth 55.62/ 8.8 Does 8.8 turn into 9 And does 55.62 turn into 56? Rounding off confuses me :-'( ugh!

asked Sep 28, 2016

1 answer

0 votes

53.8k views

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